Installation, Operating, and Maintenance Instructions
Series 14, DN 63 - 400 (I.D. 2 ½ - 16")
VAT Vakuumventile AG, CH-9469 Haag, Switzerland
207935EF
2009-10-14
3/21
Contents:
1
Use of product .......................................................................................................................................................... 4
1.1
Technical data .................................................................................................................................................... 4
2
Installation ................................................................................................................................................................. 5
2.1
Unpacking .......................................................................................................................................................... 5
2.2
Installation into the system ................................................................................................................................. 5
2.3
Admissible forces and bending moment ............................................................................................................ 6
2.4
Connections ....................................................................................................................................................... 7
2.4.1
Electrical connection ................................................................................................................................ 7
3
Operation .................................................................................................................................................................. 7
3.1
Normal operation ................................................................................................................................................ 7
3.2
Operation under increased temperature ............................................................................................................ 7
3.3
Differential pressure ........................................................................................................................................... 7
4
Trouble shooting ....................................................................................................................................................... 8
5
Maintenance & repairs .............................................................................................................................................. 9
5.1
General maintenance instruction ....................................................................................................................... 9
5.2
Preventive maintenance ................................................................................................................................... 10
5.3
Safety instruction .............................................................................................................................................. 11
5.4
Maintenance of assemblies .............................................................................................................................. 12
5.4.1
Preparing valve maintenance ................................................................................................................ 12
5.4.2
replacing of gate seal / mechanism / bonnet seal .................................................................................. 12
5.4.3
Replacing of ball bearings 11 on mechanism ........................................................................................ 13
5.4.4
Disassembling of mechanism / replacing of locking balls ..................................................................... 13
5.4.5
Dismantling and mantling of actuator ..................................................................................................... 14
5.4.6
Dismantle of rotary feed through and replacing the feed through seals ................................................ 15
6
Drawing ................................................................................................................................................................... 16
6.1
Valve Assembly ................................................................................................................................................ 16
6.2
Mechanism assembly ....................................................................................................................................... 17
7
Spare parts ............................................................................................................................................................. 20
8
Warranty ................................................................................................................................................................. 21